64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "math/ray.h"
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#include "tetraedge/te/te_ray_intersection.h"
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#include "tetraedge/te/te_pick_mesh.h"
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namespace Tetraedge {
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namespace TeRayIntersection {
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// Note: the TeRayIntersection::intersect function is
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// replaced by Math::Ray::intersectTriangle
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TePickMesh *getMesh(const Math::Ray ray, const Common::Array<TePickMesh *> &pickMeshes,
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float maxDist, float minDist, TeVector3f32 *ptOut) {
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TeVector3f32 bestPt;
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TePickMesh *bestMesh = nullptr;
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for (auto *mesh : pickMeshes) {
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if (!mesh->enabled())
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continue;
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for (uint i = 0; i < mesh->nTriangles(); i++) {
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TeVector3f32 v1;
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TeVector3f32 v2;
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TeVector3f32 v3;
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mesh->getTriangle(i, v1, v2, v3);
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float intersectDist;
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TeVector3f32 intersectPt;
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if (ray.intersectTriangle(v1, v2, v3, intersectPt, intersectDist) && intersectDist < maxDist && intersectDist >= minDist) {
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bestPt = intersectPt;
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bestMesh = mesh;
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}
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}
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}
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if (ptOut)
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*ptOut = bestPt;
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return bestMesh;
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}
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} // end namespace TeRayIntersection
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} // end namespace Tetraedge
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